20913772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11593}}^1$

素因数の和:11649

約数の個数: 24

約数和(自身を含む): 40903632

約数和(自身を除く): 19989860

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11593, 23186, 46372, 127523, 255046, 475313, 510092, 950626, 1901252, 5228443, 10456886, 20913772]

約数ペア:

[(1, 20913772), (2, 10456886), (4, 5228443), (11, 1901252), (22, 950626), (41, 510092), (44, 475313), (82, 255046), (164, 127523), (451, 46372), (902, 23186), (1804, 11593)]